Hackerrank invoices per country. Start hiring at the pace of innovation! Skip to content.

Hackerrank invoices per country Let X be the number of days before we obtain a connected country. CountryId GROUP BY Countries. This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. 7 years ago + 0 comments. select co. Problem. id = i . youtube. country_id AND ci . Saved searches Use saved searches to filter your results more quickly Saved searches Use saved searches to filter your results more quickly Skip to content. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution The first line is an integer, (number of cities). city_name ) SELECT HackerRank will invoice Customer for all Fees due. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Michael has been an employee for 6 months and earns $2017 per month. Scroll down for an overview per country. code and continent = 'Asia'; Skip to content. SELECT C. customer_id SELECT co. WITH CTE AS( SELECT DISTINCT CO. Hundreds of thousands of developers from all over the world come to participate in challenges in a variety Challenge Walkthrough Let's walk through this sample challenge and explore the features of the code editor. Please read our cookie policy for Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. sql","path":"Hackerrank SQL solutions/African Cities This repository contains my solutions for the HackerRank intermediate-level problems using MySQL. of questions 2 questions. From prepping for jobs and practicing coding to running a world-class technical interview, give developers the tools they need to showcase their skills, passion, and potential. code group by country. I've achieved the SQL Intermediate Certification from HackerRank. Skills Directory. These solutions were completed during a test on August 21, 2023. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. We would like to show you a description here but the site won’t allow us. total_price) FROM country co, city ci, customer cu, invoice i WHERE co . com/playlist?list=PL725CY54KY6JPgkikjL9-hANsKQeQjEO7Click here to Subscribe : https://www. Sign in Product GitHub Copilot. Problem Solving (Basic) Get Certified. We choose each pair of nonadjacent cities with equal probability. To simplify this entire process, we created this 'Peppol & E-invoicing Status Per Country Overview'. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu Hackerrank gives following error: ERROR at line 3: ORA-00933: SQL command not properly ended. Sign in Product You signed in with another tab or window. Join the AI Skills Survey and share your thoughts Take the survey. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Leaderboard. Join over 11 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. com select sum (city. billingcountry from customer as c, invoice as i You signed in with another tab or window. This is a timed test. Ok | Prepare; Certify; Compete; Apply; Hiring developers? Log In; Sign Up; Prepare. The subsequent lines of space-separated integers each describe the respective tolls or traveling from city to city ; in other words, the integer of the line denotes the toll for traveling from city to city . View Certificates . By detailing sales figures per city and identifying customers who spent 25% or less than the average, this solution aids in strategic decision-making for optimizing sales and customer engagement. After the international calling code or prefix, the country code is typed. id = i. You. Navigation Menu Toggle navigation. id = cu . country_name, count (*), AVG (i. SELECT Contries. Manage code changes What is the minimum cost of a road trip in Hacker Country? We use cookies to ensure you have the best browsing experience on our website. If the country is found, the data array contains exactly 1 element. I have taken HackerRank test on 3rd June 2022. Instant dev environments Issues. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Given the CITY and COUNTRY tables, query the names of all cities where the CONTINENT is 'Africa'. Name Type Description; id: int: This is a primary key: city_name: varchar(128) Name of the city: postal_code: varchar(16) Postal code of the city Inside you will find the solutions to all HackerRank SQL Questions. firstname, c. – xQbert. These folders contain solutions for all easy, medium and difficult challenges executed Connect the country. You signed in with another tab or window. id = ci . The empty cell data for columns with less than the maximum number of names per You signed in with another tab or window. lastname, i. New Questions? If any new We decided to examine our data to answer this question: which countries do the best at programming challenges on HackerRank? At HackerRank, we regularly post tens of thousands of new coding challenges for A business analyzing data by country. country_name,CI. Write better code equal AI . country_id = CO. Retrieve information about each country's name, the count of customers, and the average total price of their invoices. You signed out in another tab or window. continent; 0 | Permalink Provide a table of Billing Country and Invoices ordered by the number of invoices for each country. 5% per month or the highest rate permitted by applicable law, calculated daily and My journey of earning a SQL certification and tackling HackerRank SQL challenges. Filter the results to include only countries with an average total price greater than the overall average total price across all countries. city_name,COUNT(city_id) AS cnt , AVG(COUNT(city_id)) OVER() avg_cnt FROM COUNTRY CO INNER JOIN City CI ON CI. id = cu. customer_id Saved searches Use saved searches to filter your results more quickly Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. Add this topic to your repo To associate your repository with the hackerrank-sql-intermediate topic, visit your repo's landing page and select "manage topics. Find and fix vulnerabilities Welcome to CarrY4U This is a timed test. population)) from city join country on city. Write better code with AI Security. ID = I. Moreover, I need to return only those countries where the average invoice amount is greater than the average invoice amount of all invoices. sql","path":"Customer-spending. The 2024 Developer Skills Report is here! Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Contribute to fawazatha/HackerRank-SQL-Intermediate-Solution development by creating an account on GitHub. Skip to content. In order for you to send an e-invoice to a company and /or government abroad, you have to be aware of which laws are in place, which format to send, and which network to connect to. Note: As there are no roads connecting a city to itself, the integer of line will always be . Navigation Menu Toggle navigation Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Saved searches Use saved searches to filter your results more quickly invoices-per-country. I want to count the no of invoices of each customer. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Please ensure you have a stable internet connection. Check Your Solution Your solution should have 2 columns and 24 rows. select c. Existing companies; Explore our country-specific features in your preferred language. id INNER JOIN Customer CU ON CU. Find and fix vulnerabilities Actions. Navigation Menu Toggle navigation You signed in with another tab or window. page,per_page, total, total_pages, etc. Contribute to aghodke24/HackerRank-Sql-Intermediate-questions development by creating an account on GitHub. com/ About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Solved queries for the Hacker-rank SQL (Intermediate) Skills Certification Test - codehub001/Hacker-rank Saved searches Use saved searches to filter your results more quickly Navigation Menu Toggle navigation. customer, invoice, invoice_item, and product. recency | 7 Discussions| Please Login in order to post a comment. Certificate can be viewed here. Platform Help | Execution Environment | FAQ. Code review. Home; About Me; Services; Certificates; Portfolio; Contact Me; Developed by Mohamed ElsayedMohamed Elsayed SadmanSakib93 / HackerRank-SQL-Intermediate-Certificate Public. Developed by Mohamed Elsayed. Give a star For my work. Problem Solving. SQL Sum amount spent by specific code. Each pair of cities are directly connected by a unique directed road, and each road has its own toll that must be paid every time it is used. Return only those countries where their average invoice amount is greater than the average invoice amount over all invoices. HackerRank Certificate SQL intermediate Question . What is the minimum cost of a road trip in Hacker Country? About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Saved searches Use saved searches to filter your results more quickly Navigation Menu Toggle navigation. Tech hiring needs a reset. The below Write better code with AI Code review. Contribute to anchitctrl/MY-SQL development by creating an account on GitHub. Sign in This is a timed test. To set country code to column values with phone numbers in MySQL would mean to concentrate and we can use CONCAT (). Basic. Stand out from the crowd. Connect Hackerrank Invoices to Qonto to automatically sync your accounts with your tool. Crack your coding interview and get hired. Please check 1. HackerRank Skills Directory. zh2196. 1 of 6 Review the problem statement Each challenge has a problem statement that includes sample inputs and outputs. Plan and track work Code Review. Query for Oracle Database SELECT Country, COUNT (*) AS Number FROM Users GROUP BY Country ORDER BY Country If the name of the country is in the country table, then you will have to join. " Learn more This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. code group by country. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Sign in Web Development Tutorial Playlist: https://www. We use cookies to ensure you have the best browsing experience on our website. Web Development Tutorial Playlist: https://www. Ready to code? Issues. country_name, count(*), avg(i. Contribute to Crow-6-9/Crow_codes development by creating an account on GitHub. HackerRank SQL Solutions. Can you select country. Ok. HackerRank-SQL-Intermediate-Certificate Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. js. Table 1: city. It showcases my growth, challenges faced, and solutions offered. 1. Plan and track work Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Please make sure you are not interrupted during the test, as the timer cannot be paused once started. Sign in Product Hacker rank SQL intermediate solution. id GROUP BY CO. Commented Jun 8, 2016 at 13:22. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Write better code with AI Security We decided to examine our data to answer this question: which countries do the best at programming challenges on HackerRank? At HackerRank, we regularly post tens of thousands of new coding challenges for developers to improve their coding skills. You switched accounts on another tab or window. Europe France Germany Spain Italy Austria Belgium Portugal Netherlands en. The country with the most invoices should appear first. Weather Observation Station 4. CountryName ORDER BY Objective. We calculate, Success we can get results with subquery also. At least the author put number 5 (or bigger) in the test cases for the better visualization. Customer Spending. Take the HackerRank Certification The resultant table should show the customer's full name, Invoice ID, Date of the invoice and billing country. If not, it is Contribute to MaskRay/HackerRank development by creating an account on GitHub. Notifications You must be signed in to change notification settings; Fork 8; Star 5. Reload to refresh your session. Sort by. A customer can have multiple orders but an order has only one invoice. {"payload":{"allShortcutsEnabled":false,"fileTree":{"Hackerrank SQL solutions":{"items":[{"name":"African Cities. The questions asked are Invoices Per Country and Product Sales Per City. This way we hope to You signed in with another tab or window. HackerRank Launches Two New Products: SkillUp and Engage Read now. Feel free to reach out if you have any questions or want to connect. Welcome to HackerRank SQL (Intermediate) Skills Certification Test. For each country, display the country name, total number of invoices, and their average amount. Direct code modified Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Certification. Overdue Fees will bear interest at the lesser rate of 1. total_price) from country co, city ci, customer cu, invoice i where co. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions We have a country containing _N _cities. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Angela has been an employee for 1 month and earns $3443 per month. Todd has been an employee for 5 months and earns $3396 per month. 0. sql","contentType":"file"},{"name select country. Includes 120 attempts per year: Includes 300 attempts per year: Custom number of attempts: Coding tests: Coding interviews: Plagiarism detection: Leaked-question detection: Real-world questions: Code reviews Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Because this is a reserved keyword in the SQL server. . Problem Solving . Updated Aug Contribute to rizkaalawiyah/HackerRank-SQL-Intermediate-Certificate development by creating an account on GitHub. The repository contains 6 folders. The test consisted of two questions that I had 35 minutes to solve. population)) from city, country where city. Also, @jarlh when do we use in and when do we use exist operation? – user2609410. Code; Issues 1; Pull requests 1; Actions; Projects 0; Security; Insights Files main. continent; ← → Even-tual Reduction CodeChef Solution 19 July 2020 HackerRank Regex Solutions 20 July 2020 → ← HackerRank - JavaScript Basic Assessment - Country Codes - script. invoiceid, i. Some code which might help you. What is the expected value of X? Output the integer part of answer. show each customers' names, how much each person has spent in total, and how Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Maybe Hacker Rank requires an ending semicolon? if this query were run in SQL developer it looks like it would work. Ok | Prepare; Certify; Compete; Apply; Hiring developers? Log In; Sign Up; This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. id = ci. - -hackerrank-SQL-intermediate-skills-certification-test-solution/README. How to calculate Amount by days wise of customer in sql. Each domain on HackerRank (i. Explore my GitHub repository to learn from my experiences and find inspiration for your SQL learning path. country_id and ci. SQL statement to show the total cost of all orders per Customer. Find and fix vulnerabilities HackerRank is the market-leading coding test and interview solution for hiring developers. Fees for each Services Term are due annually upfront and are payable the net number of days from the invoice date as stated in the Service Order. My requirement is to display country name, total number of invoices and their average amount. Manage code changes Saved searches Use saved searches to filter your results more quickly I tried below query and it worked for me. Saved searches Use saved searches to filter your results more quickly Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. ID, C. Discussions. Navigation Menu Toggle navigation Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. SELECT DISTINCT CITY FROM STATION WHERE MOD(ID, 2) = 0; IX. countrycode = country. - Pull requests · adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution HackerRank Certificate SQL intermediate Question . Solution Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Start hiring at the pace of innovation! Skip to content. [Name], I. Will be adding SQL Advanced Questions soon in a separate Navigation Menu Toggle navigation. Welcome Back! Login to your account It's nice to see you again. Test duration 35 mins. Get all the totals of each customer by customer location. cracking-the-coding-interview hackerrank hackerrank-python hackerrank-solutions hackerrank-java hackerrank-algorithms-solutions hackerrank-30dayschallange hackerrank-python-solutions hackerrank-sql hackerrank-problem Over 40% of developers worldwide and 3,000 companies use HackerRank. It’s not a pipeline problem. We order our output by ascending employee_id. Python (Basic) Get Certified. 4 years ago + 0 comments. Breadcrumbs. hackerrank. Navigation Menu Toggle navigation What is the expected value of the days it will take until all the cities are part of the graph? HackerRank offers a variety of skills, tracks and tutorials for you to learn and improve. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions invoice Spending; invoies per country; New Questions? If any new questions come other than these, make sure to create PR/Issue. After your test cases get passed!!!! Happy Learning!!!! Day 1 Prepare for you upcoming programming interview with HackerRank's Ultimate Interview Preparation Kit Skip to content. population) from city, country where city. github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-certificatio hackerrank-sql-certificate hackerrank-sql-solution. Solutions. sql Hackerrank SQL (Intermediate) Skills Certification Test Solution. Contribute to bhardwajjshubh/Invoices-Per-Country-SQL-intermediate-Certificate-Question- development by creating an This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Start now and streamline your workflow. Programming Problems and Competitions :: HackerRank Something went wrong! Day 1 Prepare for you upcoming programming interview with HackerRank's Ultimate Interview Preparation Kit Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Explore Skills. You can view my certificate by clicking the link below: View HackerRank Certificate. sql files for the solutions I submitted! Question 1: Business Expansion. city_id = CI. CountryId = Countries. Use [] Brackets with value and Name. md at master · adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Invoices Per Country; Product Sales Per City; Follow me. sql and 2. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. [Value] FROM Customers C WITH(NOLOCK) JOIN ( SELECT TOP 1 ID, [Value] FROM Invoices WITH(NOLOCK) ORDER BY [Value] DESC ) AS I ON C. An Invoice should include four pieces of information as instance variables—a part number (type String), a part description (type String), a quantity of the item being purchased (type int) and a price per item (double). com/playlist?list=PL725CY54KY6JPgkikjL9-hANsKQeQjEO7Click here to About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Saved searches Use saved searches to filter your results more quickly Saved searches Use saved searches to filter your results more quickly You signed in with another tab or window. Solved using Monte Carlo! The accuracy In the data array, the country has the following schema: name: The name of the country (String) capital: The name of the capital city (String) A number of fields that are not of interest. Joe has been an employee for 9 months and earns $3573 per month. Instructions. Let N be the number of CITY entries in STATION, and let N’ be the number of distinct CITY names in STATION; query the value of N-N’ from STATION. HackerRank-SQL-Basic -Certification test code - solution - country codes concatenated with their phone numbers- Solution Write better code with AI Security. SQL, What is the total amount each client has paid us? 2. It’s a spotlight problem. invoicedate, i. Create a class called Invoice that a hardware store might use to represent an invoice for an item sold at the store. Open an account. There are N cities in Hacker Country. 0 | Permalink. Each day we choose 2 cities such that there is no road between them and build a road between them. azhar556. Please read our cookie policy for more information about how we use cookies. continent order by country. The average cost (sum of tolls paid per road traveled) should be minimum. Contribute to bhardwajjshubh/Invoices-Per-Country-SQL-intermediate-Certificate-Question- development by creating an {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"Customer-spending. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Programs / Questions. country_name, Ci. continent, floor (avg (city. So, without wasting any time, let’s jump to the solutions. No. city_id AND cu . are not required for this task. In other words, find the All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. CountryName, Count (*) AS Number FROM Users INNER JOIN Countries ON Users. . continent, floor(avg(city. e. Business Expansion. Below is the In this post, we will solve HackerRank Hacker Country Problem Solution. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Saved searches Use saved searches to filter your results more quickly where LAT_N is the northern latitude and LONG_W is the western longitude. Automate any workflow Codespaces. city_id and cu. Format the average as a floating-point number with 6 decimal places. Country codes SQL. Learn more about technical skills You signed in with another tab or window. Lets say, Total submissions (one per hacker) for the challenge: total Solved submissions (one per hacker) for the challenge: correct Your submission score factor (lies between 0 and 1) based on correctness of the submission: sf Minimum score a challenge can have: 20 Maximum score a challenge can have: 100. countrycode = country. I have taken SQL Intermediate Certification Hackerrank Solution https://www. com is a search engine built on artificial intelligence that provides users with a customized search experience while keeping their data 100% private. ID Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. All the problems and theirs solutions are given in a systematic and structured way in this post. Submissions. Before dialing the recipient's number in the destination country, one must first dial a series of numbers known as the country code. Get Certificate. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution My invoices table has orderId column which is a foreign key referencing orderId primary key column of orders table and orders table has customerId column which references to customerId primary key column of customers table. Navigation Menu Toggle navigation © 2025 All rights reserved. Try it today. isfnwsu xyqfwu cpmjew glaq ncobds aqp avtt rqykj jahaks gchgza